Which of the following efficiencies for Francis Turbine is described a – McqOptions

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1.	Which of the following efficiencies for Francis Turbine is described as the ratio between the power produced by runner to the power supplied by water at the inlet?
A.	Hydraulic efficiency
B.	Volumetric efficiency
C.	Mechanical efficiency
D.	Overall efficiency
Answer» B. Volumetric efficiency

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